GB2430071B - Backlight unit and liquid crystal display device having the same - Google Patents

Backlight unit and liquid crystal display device having the same

Info

Publication number
GB2430071B
GB2430071B GB0623872A GB0623872A GB2430071B GB 2430071 B GB2430071 B GB 2430071B GB 0623872 A GB0623872 A GB 0623872A GB 0623872 A GB0623872 A GB 0623872A GB 2430071 B GB2430071 B GB 2430071B
Authority
GB
United Kingdom
Prior art keywords
liquid crystal
display device
same
crystal display
backlight unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB0623872A
Other languages
English (en)
Other versions
GB0623872D0 (en
GB2430071A (en
Inventor
Tetsuya Hamada
Toshihiro Suzuki
Masaru Ishiwa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sharp Corp filed Critical Sharp Corp
Publication of GB0623872D0 publication Critical patent/GB0623872D0/en
Publication of GB2430071A publication Critical patent/GB2430071A/en
Application granted granted Critical
Publication of GB2430071B publication Critical patent/GB2430071B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0085—Means for removing heat created by the light source from the package
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/003—Lens or lenticular sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133628—Illuminating devices with cooling means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Light Guides In General And Applications Therefor (AREA)
GB0623872A 2004-05-21 2005-03-29 Backlight unit and liquid crystal display device having the same Expired - Fee Related GB2430071B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2004151963 2004-05-21
JP2004322184 2004-11-05
JP2005053978A JP4590283B2 (ja) 2004-05-21 2005-02-28 バックライトユニット及びそれを備えた液晶表示装置
PCT/JP2005/005952 WO2005114045A1 (ja) 2004-05-21 2005-03-29 バックライトユニット及びそれを備えた液晶表示装置

Publications (3)

Publication Number Publication Date
GB0623872D0 GB0623872D0 (en) 2007-01-10
GB2430071A GB2430071A (en) 2007-03-14
GB2430071B true GB2430071B (en) 2009-06-24

Family

ID=35428460

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0623872A Expired - Fee Related GB2430071B (en) 2004-05-21 2005-03-29 Backlight unit and liquid crystal display device having the same

Country Status (6)

Country Link
US (2) US7488104B2 (de)
JP (1) JP4590283B2 (de)
DE (2) DE112005001170B4 (de)
GB (1) GB2430071B (de)
TW (1) TWI303739B (de)
WO (1) WO2005114045A1 (de)

Families Citing this family (180)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8272758B2 (en) 2005-06-07 2012-09-25 Oree, Inc. Illumination apparatus and methods of forming the same
KR100687926B1 (ko) 2005-06-13 2007-02-27 삼성전자주식회사 액정표시장치
TWI266125B (en) * 2005-07-15 2006-11-11 Au Optronics Corp Direct type backlight module
CN100462811C (zh) * 2006-02-10 2009-02-18 鸿富锦精密工业（深圳）有限公司 箱式光源模组和背光***
KR100978045B1 (ko) 2006-03-13 2010-08-26 삼성전자주식회사 액정패널조립체 및 이를 포함하는 액정표시장치
JP4968666B2 (ja) * 2006-04-19 2012-07-04 Ｎｌｔテクノロジー株式会社 バックライト装置及び液晶表示装置
EP2439565A3 (de) * 2006-07-21 2013-04-10 Fujifilm Corporation Unitäre Lichtleiterplatte, Lichtleiterplatteneinheit, planare Beleuchtungsvorrichtung und Flüssigkristallanzeigevorrichtung
WO2008023542A1 (fr) * 2006-08-23 2008-02-28 Nippon Seiki Co., Ltd. Dispositif d'affichage à cristaux liquides
US20080049445A1 (en) * 2006-08-25 2008-02-28 Philips Lumileds Lighting Company, Llc Backlight Using High-Powered Corner LED
US8192055B2 (en) 2006-09-13 2012-06-05 Sharp Kabushiki Kaisha Backlight device and display device using the same
JP4851283B2 (ja) * 2006-09-22 2012-01-11 富士フイルム株式会社 撮影装置および発光方法
US8031292B2 (en) * 2006-11-21 2011-10-04 Samsung Electronics Co., Ltd. Liquid crystal display comprising first and second point light source assemblies wherein a first support substrate is larger than the second support substrate, and a first groove of a lower container is deeper than a second groove
WO2008062363A2 (en) * 2006-11-22 2008-05-29 Koninklijke Philips Electronics N.V. Illumination system and display device
CN101191951A (zh) * 2006-12-01 2008-06-04 鸿富锦精密工业（深圳）有限公司 背光模组
TWI324278B (en) 2006-12-06 2010-05-01 Au Optronics Corp Backlight module
CN101196590A (zh) * 2006-12-07 2008-06-11 鸿富锦精密工业（深圳）有限公司 导光板及具有该导光板的背光模组
KR101341123B1 (ko) * 2006-12-15 2013-12-13 삼성디스플레이 주식회사 백라이트 유닛 및 이를 포함하는 액정표시장치
JP5026798B2 (ja) * 2007-01-04 2012-09-19 株式会社ジャパンディスプレイイースト Ｌｅｄ照明装置及びこれを用いた液晶表示装置
CN101583824B (zh) 2007-01-24 2012-03-21 夏普株式会社 背光结构
JP4973213B2 (ja) * 2007-01-31 2012-07-11 三菱電機株式会社 光源装置、面状光源装置および表示装置
TW200904350A (en) * 2007-04-17 2009-02-01 Koninkl Philips Electronics Nv Textile light emitting device
US20100165001A1 (en) * 2007-05-20 2010-07-01 Savvateev Vadim N White light backlights and the like with efficient utilization of colored led sources
KR101488042B1 (ko) 2007-05-20 2015-01-29 쓰리엠 이노베이티브 프로퍼티즈 컴파니 광-재순환 유형의 얇은 중공 공동 백라이트의 설계 파라미터
EP2535766A3 (de) 2007-05-20 2013-05-01 3M Innovative Properties Company Asymmetrisch-reflektierender Film und Rückbeleuchtung mit Hohlraum, in dem das Licht wiederverwendet wird
TWI439641B (zh) * 2007-05-20 2014-06-01 3M Innovative Properties Co 用於側面發光型背光之準直光注入器
JP5336474B2 (ja) 2007-05-20 2013-11-06 スリーエム イノベイティブ プロパティズ カンパニー 半鏡面構成要素を備えたリサイクル型バックライト
US8089582B2 (en) 2007-05-31 2012-01-03 Hitachi Displays, Ltd. Liquid crystal display device comprising at least one groove having an end portion that stops short of the non-adjacent opposite side surfaces and extends in a direction perpendicular to the non-adjacent side surfaces
JP4589368B2 (ja) * 2007-05-31 2010-12-01 株式会社 日立ディスプレイズ 液晶表示装置
JP4945325B2 (ja) * 2007-06-01 2012-06-06 株式会社日立製作所 液晶表示装置
JP5135908B2 (ja) * 2007-06-20 2013-02-06 三菱電機株式会社 表示装置および液晶表示装置
JP4877552B2 (ja) * 2007-07-13 2012-02-15 Ｎｅｃディスプレイソリューションズ株式会社 照明装置
JP5111972B2 (ja) * 2007-08-07 2013-01-09 株式会社ジャパンディスプレイイースト 液晶表示装置
JP2009058768A (ja) * 2007-08-31 2009-03-19 Showa Denko Kk 表示装置、発光装置
CN201093372Y (zh) * 2007-08-31 2008-07-30 群康科技(深圳)有限公司 光源单元及采用该光源单元的显示模组
US20090059378A1 (en) * 2007-09-05 2009-03-05 Brian Thompson Devices, Systems, and/or Methods for Providing Illumination
DE102007042104A1 (de) * 2007-09-05 2009-03-12 Osram Opto Semiconductors Gmbh Display-Anordnung sowie Verfahren zur Ansteuerung einer Displayeinheit einer Displayanordnung
WO2009047930A1 (ja) * 2007-10-12 2009-04-16 Sharp Kabushiki Kaisha バックライトユニットおよび液晶表示装置
JP2009099271A (ja) 2007-10-12 2009-05-07 Harison Toshiba Lighting Corp 中空式面照明装置
US7661865B2 (en) * 2007-10-17 2010-02-16 Nec Lcd Technologies, Ltd. Liquid crystal display backlight and liquid crystal display device
TW200921207A (en) 2007-11-06 2009-05-16 Ind Tech Res Inst Light-emitting module
JP2009123489A (ja) * 2007-11-14 2009-06-04 Sony Corp 面光源装置及び液晶表示装置
JP4968014B2 (ja) * 2007-11-22 2012-07-04 ソニー株式会社 バックライト装置及び液晶表示装置
TW200928465A (en) * 2007-12-18 2009-07-01 Mintek Thin Film Corp Light guide plate and backlight module
KR101448905B1 (ko) * 2007-12-28 2014-10-13 삼성디스플레이 주식회사 백라이트 어셈블리 및 이를 포함하는 표시 장치
TWI494655B (zh) * 2008-02-07 2015-08-01 3M Innovative Properties Co 具有結構性薄膜之空孔背光裝置及具有該空孔背光裝置之顯示器
EP2252828A1 (de) * 2008-02-22 2010-11-24 3M Innovative Properties Company Rückbeleuchtungen mit gewählten ausgangslichtflussverteilungen und diese verwendende anzeigesysteme
TWI390284B (zh) * 2008-05-15 2013-03-21 Wintek Corp 背光模組
WO2009149010A1 (en) 2008-06-04 2009-12-10 3M Innovative Properties Company Hollow backlight with tilted light source
US8297786B2 (en) 2008-07-10 2012-10-30 Oree, Inc. Slim waveguide coupling apparatus and method
US8301002B2 (en) 2008-07-10 2012-10-30 Oree, Inc. Slim waveguide coupling apparatus and method
TWI384293B (zh) * 2008-08-06 2013-02-01 Au Optronics Corp 背光模組及液晶顯示裝置
US20110134346A1 (en) * 2008-08-22 2011-06-09 Sharp Kabushiki Kaisha Display device and television receiver
JP2010054718A (ja) * 2008-08-27 2010-03-11 Sony Corp 表示装置
JP4627796B2 (ja) * 2008-09-18 2011-02-09 株式会社日立製作所 液晶表示装置
CN101676769B (zh) 2008-09-18 2011-12-21 株式会社日立制作所 液晶显示装置
US8215799B2 (en) 2008-09-23 2012-07-10 Lsi Industries, Inc. Lighting apparatus with heat dissipation system
AU2012216275B9 (en) * 2008-09-23 2013-07-25 Lsi Industries, Inc. Lighting apparatus with heat dissipation system
USD631183S1 (en) 2008-09-23 2011-01-18 Lsi Industries, Inc. Lighting fixture
JP5287084B2 (ja) * 2008-09-24 2013-09-11 凸版印刷株式会社 面発光装置及び表示装置
JP5271649B2 (ja) * 2008-09-25 2013-08-21 株式会社日立製作所 液晶表示装置
JP2010086670A (ja) * 2008-09-29 2010-04-15 Stanley Electric Co Ltd 面光源装置
JP5106341B2 (ja) 2008-10-02 2012-12-26 株式会社ジャパンディスプレイイースト 表示装置
GB2464916B (en) 2008-10-21 2013-07-31 Iti Scotland Ltd Light Guides
EP2347292A1 (de) * 2008-11-05 2011-07-27 Koninklijke Philips Electronics N.V. Lichtemittierendes bauelement
KR20100054414A (ko) * 2008-11-14 2010-05-25 삼성전자주식회사 백라이트 어셈블리 및 이를 포함하는 액정표시 장치
JP2010146784A (ja) * 2008-12-17 2010-07-01 Sony Corp 平面発光装置
US11256025B2 (en) 2009-01-26 2022-02-22 Azumo, Inc. Film-based lightguide with adhered component between fold region and extraction region
JP2010177076A (ja) * 2009-01-30 2010-08-12 Hitachi Ltd タンデム型面光源装置及びそれを用いた液晶表示装置
WO2010100786A1 (ja) * 2009-03-02 2010-09-10 シャープ株式会社 光源装置および液晶表示装置
KR101751711B1 (ko) 2009-03-05 2017-06-28 아이티아이 스코틀랜드 리미티드 광 가이드들
EP2404202B1 (de) * 2009-03-05 2016-08-10 Design LED Products Limited Lichtwellenleiter
US8328406B2 (en) * 2009-05-13 2012-12-11 Oree, Inc. Low-profile illumination device
TW201040433A (en) * 2009-05-14 2010-11-16 Young Lighting Technology Corp Illumination apparatus
JP5413272B2 (ja) * 2009-05-28 2014-02-12 豊田合成株式会社 車両用ルームランプ
RU2544391C2 (ru) 2009-07-09 2015-03-20 Конинклейке Филипс Электроникс Н.В. Модуль системы освещения свободной формы
EP2452217B1 (de) 2009-07-10 2020-05-06 Signify Holding B.V. Beleuchtungsmodul
GB0912676D0 (en) * 2009-07-22 2009-08-26 Lpa Excil Electronics A luminaire
WO2011011704A2 (en) * 2009-07-23 2011-01-27 Planar Systems, Inc. Field serviceable display device
US20120120326A1 (en) * 2009-07-30 2012-05-17 Sharp Kabushiki Kaisha Edge-light illuminating device, liquid crystal display device and television receiving device
KR20110012780A (ko) * 2009-07-31 2011-02-09 엘지디스플레이 주식회사 액정표시장치
TWI392927B (zh) * 2009-08-11 2013-04-11 Au Optronics Corp 低電磁式觸控感應干擾之背光模組及顯示裝置
CN101994933B (zh) * 2009-08-14 2013-01-09 鸿富锦精密工业（深圳）有限公司 照明装置
KR101580921B1 (ko) * 2009-08-14 2015-12-30 삼성디스플레이 주식회사 표시 장치
KR20110020055A (ko) * 2009-08-21 2011-03-02 엘지이노텍 주식회사 백라이트 유닛
CN102573692B (zh) * 2009-08-21 2015-03-25 3M创新有限公司 用于照明组织的方法和产品
KR101607572B1 (ko) 2009-10-12 2016-03-31 삼성디스플레이 주식회사 백라이트 어셈블리 및 그를 포함하는 표시 장치
US8570270B2 (en) * 2009-10-19 2013-10-29 Apple Inc. Backlight unit color compensation techniques
KR20110050270A (ko) * 2009-11-06 2011-05-13 삼성전자주식회사 도광판, ｂｌｕ 및 디스플레이 장치
JP5472798B2 (ja) * 2009-11-30 2014-04-16 日本精機株式会社 表示装置
CN102713735B (zh) * 2010-01-20 2015-07-01 株式会社半导体能源研究所 显示设备及其驱动方法
JP5028501B2 (ja) 2010-01-20 2012-09-19 株式会社ジャパンディスプレイイースト 液晶表示装置
KR101073439B1 (ko) * 2010-02-05 2011-10-17 우리조명 주식회사 엘이디 조명장치
US8858052B2 (en) * 2010-03-31 2014-10-14 Global Lighting Technology Inc. Backlight module
TWI435144B (zh) * 2010-04-12 2014-04-21 Young Lighting Technology Corp 背光模組
US9651729B2 (en) 2010-04-16 2017-05-16 Flex Lighting Ii, Llc Reflective display comprising a frontlight with extraction features and a light redirecting optical element
TWI408305B (zh) * 2010-04-27 2013-09-11 Wintek Corp 光源模組
KR101025543B1 (ko) * 2010-05-03 2011-04-04 엘지이노텍 주식회사 백라이트 유닛 및 이를 포함하는 디스플레이 장치
KR101054768B1 (ko) 2010-06-11 2011-08-05 엘지이노텍 주식회사 백라이트 유닛 및 표시장치
WO2012002010A1 (ja) * 2010-06-28 2012-01-05 パナソニック液晶ディスプレイ株式会社 液晶表示装置およびテレビ受像機
CN101943357A (zh) * 2010-07-14 2011-01-12 深圳市华星光电技术有限公司 可动态调整亮度的背光模块及其方法
JP5948025B2 (ja) * 2010-08-06 2016-07-06 株式会社半導体エネルギー研究所 液晶表示装置
JP5533611B2 (ja) * 2010-12-03 2014-06-25 日立コンシューマエレクトロニクス株式会社 バックライトユニット及びこれを用いた映像表示装置
TWI406058B (zh) * 2010-12-20 2013-08-21 Au Optronics Corp 背光模組
TWI459060B (zh) * 2010-12-20 2014-11-01 Pegatron Corp 導光體
US8646953B2 (en) * 2011-01-11 2014-02-11 Nittoh Kogaku K.K. Light guiding body and light emitting device
DE102011003569B4 (de) * 2011-02-03 2013-03-21 Leica Microsystems (Schweiz) Ag Flächenlichtquelle für eine Durchlichtbeleuchtungseinrichtung eines Mikroskops
KR101791152B1 (ko) * 2011-03-29 2017-10-30 삼성디스플레이 주식회사 광공급 어셈블리 및 이를 갖는 양방향 대화형 표시장치
JP5234138B2 (ja) * 2011-05-06 2013-07-10 船井電機株式会社 放熱板
TWI531840B (zh) 2011-05-24 2016-05-01 友達光電股份有限公司 背光模組
US20130070189A1 (en) * 2011-09-20 2013-03-21 Shenzhen China Star Optoelectronics Technology Co. Ltd. Liquid crystal display device
US8797480B2 (en) * 2011-10-18 2014-08-05 Dai Nippon Printing Co., Ltd. Light guide plate, surface light source device, and display device
WO2013060351A1 (de) * 2011-10-24 2013-05-02 Osram Ag Beleuchtungseinrichtung mit einer optischen anordnung zur farbmischung von lichtquellen
US9621838B2 (en) * 2011-10-25 2017-04-11 Funai Electric Co., Ltd. Display device and television apparatus
US8982430B2 (en) * 2011-10-25 2015-03-17 Mitsubishi Electric Corporation Lighting unit and image scanner using same
US9256311B2 (en) * 2011-10-28 2016-02-09 Atmel Corporation Flexible touch sensor
US8591072B2 (en) 2011-11-16 2013-11-26 Oree, Inc. Illumination apparatus confining light by total internal reflection and methods of forming the same
US8508694B2 (en) * 2011-12-13 2013-08-13 Apple Inc. Display with dual-edge light-emitting-diode backlight
WO2013121998A1 (ja) * 2012-02-17 2013-08-22 シャープ株式会社 照明装置、表示装置、及びテレビ受信装置
US20130258641A1 (en) * 2012-03-29 2013-10-03 Yuchun Hsiao Backplane and Backlight Module Comprising Backplane
TWI491835B (zh) * 2012-04-13 2015-07-11 Radiant Opto Electronics Corp 照明燈具與照明設備
TWI510743B (zh) * 2012-04-13 2015-12-01 Radiant Opto Electronics Corp 照明燈具與照明設備
CN202629814U (zh) * 2012-05-31 2012-12-26 京东方科技集团股份有限公司 侧入式背光模组
US9857519B2 (en) 2012-07-03 2018-01-02 Oree Advanced Illumination Solutions Ltd. Planar remote phosphor illumination apparatus
CN104471305B (zh) * 2012-07-30 2017-02-08 夏普株式会社 照明装置、显示装置以及电视接收装置
JP6130164B2 (ja) * 2012-08-07 2017-05-17 株式会社エンプラス 面光源装置および表示装置
WO2014024771A1 (ja) * 2012-08-08 2014-02-13 シャープ株式会社 照明装置、表示装置、及びテレビ受信装置
CN102901006A (zh) * 2012-08-28 2013-01-30 深圳市华星光电技术有限公司 液晶显示装置及其背光模组和背板
CN102840523A (zh) * 2012-09-07 2012-12-26 史勇 一种led吸顶灯
WO2014054510A1 (ja) * 2012-10-03 2014-04-10 シャープ株式会社 光源装置及びそれを備える表示装置
KR101429487B1 (ko) * 2012-10-19 2014-08-13 희성전자 주식회사 도광판 및 이를 구비하는 백라이트 장치
WO2014065063A1 (ja) * 2012-10-26 2014-05-01 シャープ株式会社 バックライト及び表示装置
KR102072429B1 (ko) 2013-02-04 2020-02-03 엘지이노텍 주식회사 차량용 조명장치, 방열장치 및 조명장치
US20140240643A1 (en) * 2013-02-22 2014-08-28 Kevin Joseph Hathaway Thermal design for high output led backlights
US11009646B2 (en) 2013-03-12 2021-05-18 Azumo, Inc. Film-based lightguide with interior light directing edges in a light mixing region
US20140267981A1 (en) * 2013-03-12 2014-09-18 Sunheng Technology Co., Ltd. Backlight module and liquid crystal display device having the same
TWI490568B (zh) 2013-03-22 2015-07-01 E Ink Holdings Inc 顯示裝置及其前光模組
JP5657727B2 (ja) * 2013-03-22 2015-01-21 シャープ株式会社 液晶表示装置及びテレビ受信装置
JP5867740B2 (ja) 2013-04-26 2016-02-24 コニカミノルタ株式会社 発光装置及び画像形成装置
KR102103904B1 (ko) * 2013-04-30 2020-04-23 엘지디스플레이 주식회사 디스플레이 장치
CN103438368B (zh) * 2013-07-30 2015-09-23 达亮电子（苏州）有限公司 板灯模组及背光模组
US20150309248A1 (en) * 2014-04-24 2015-10-29 Axlen, Inc. Led-based lighting devices and systems based on light panels having transparent waveguides
CN105225628B (zh) * 2014-06-19 2017-10-24 元太科技工业股份有限公司 显示装置、显示模块及其像素结构
KR20160000500A (ko) * 2014-06-24 2016-01-05 삼성디스플레이 주식회사 백라이트 어셈블리 및 그를 포함하는 표시장치
JP6393101B2 (ja) * 2014-07-16 2018-09-19 株式会社日立エルジーデータストレージ 光モジュールおよび投写型画像表示装置
KR102246296B1 (ko) * 2014-12-19 2021-04-30 삼성디스플레이 주식회사 표시 장치
CN104566023A (zh) * 2014-12-24 2015-04-29 深圳市华星光电技术有限公司 背光模组及显示器
TWI567717B (zh) * 2015-01-23 2017-01-21 明基電通股份有限公司 用來偵測面板模組之背光強度之感應裝置及面板設備
CN204460089U (zh) * 2015-02-13 2015-07-08 杭州康榕进出口有限公司 导光板以及led灯具
WO2016179699A1 (en) * 2015-05-14 2016-11-17 Fluxwerx Illumination Inc. Light emitting panel assemblies with bottom-mounted light source and light guides therefor
KR20170004205A (ko) * 2015-07-01 2017-01-11 엘지전자 주식회사 도광판 및 이를 포함하는 면광원 장치
US20170052310A1 (en) * 2015-08-17 2017-02-23 Ledyoung Technology Corporation Light-emitting signboard
US9798068B2 (en) 2015-08-20 2017-10-24 Keio University Illumination module
US10941924B2 (en) 2015-12-15 2021-03-09 Wangs Alliance Corporation LED lighting methods and apparatus
US11686459B2 (en) 2015-12-15 2023-06-27 Wangs Alliance Corporation LED lighting methods and apparatus
US10323832B2 (en) 2015-12-15 2019-06-18 Wangs Alliance Corporation LED lighting methods and apparatus
DE102015225722A1 (de) * 2015-12-17 2017-06-22 Continental Automotive Gmbh Touchscreen mit einer haptischen Rückmeldevorrichtung
US11150516B2 (en) * 2016-04-05 2021-10-19 Saturn Licensing Llc Display and electronic apparatus
US10356963B2 (en) * 2016-04-08 2019-07-16 Shenzhen China Star Optoelectronics Technology Co., Ltd. Ultrathin LCD module and liquid crystal display
US10820455B2 (en) * 2016-11-22 2020-10-27 Samsung Display Co., Ltd. Display device
TWI612251B (zh) * 2017-01-03 2018-01-21 聯嘉光電股份有限公司 發光裝置
CN106647039A (zh) * 2017-03-01 2017-05-10 武汉亿维登科技发展有限公司 一种透红外的背光模组
US11812525B2 (en) 2017-06-27 2023-11-07 Wangs Alliance Corporation Methods and apparatus for controlling the current supplied to light emitting diodes
CN108102918B (zh) * 2018-01-03 2020-07-07 京东方科技集团股份有限公司 一种培养皿装置及细胞膜片的培养方法
US11994698B2 (en) 2018-08-30 2024-05-28 Azumo, Inc. Film-based frontlight with angularly varying diffusion film
WO2020142731A1 (en) 2019-01-03 2020-07-09 Flex Lighting Ii, Llc Reflective display comprising a lightguide and light turning film creating multiple illumination peaks
US11487159B2 (en) * 2019-01-07 2022-11-01 3M Innovative Properties Company Backlight for an image forming device comprising an optical cavity formed by opposing cold and hot mirrors
US10857885B1 (en) * 2019-06-27 2020-12-08 Aptiv Technologies Limited In-vehicle display
US10952323B2 (en) * 2019-06-27 2021-03-16 Dus Operating Inc. Cable assembly for in-molded electronics assembly
US11513274B2 (en) 2019-08-01 2022-11-29 Azumo, Inc. Lightguide with a light input edge between lateral edges of a folded strip
TWI813920B (zh) 2019-12-06 2023-09-01 美商伊路米納有限公司 電子裝置及其封閉件
US11598517B2 (en) 2019-12-31 2023-03-07 Lumien Enterprise, Inc. Electronic module group
CN110985903B (zh) 2019-12-31 2020-08-14 江苏舒适照明有限公司 一种灯模组
CN115023645B (zh) * 2020-01-20 2024-04-05 镭亚股份有限公司 基于微缝散射元件的背光、多视图显示器和提供光禁区的方法
US20230068652A1 (en) * 2020-02-10 2023-03-02 M and N Technology LLC Led down lights
CN111503556B (zh) 2020-04-23 2020-11-27 江苏舒适照明有限公司 一种射灯结构
CN112015006B (zh) * 2020-09-14 2022-07-12 武汉华星光电技术有限公司 可弯折背光模组及显示面板
DE102020006228A1 (de) 2020-10-10 2022-04-14 Hermedia Verlag Gmbh Löschbares Grafikfeld als Schiefertafelersatzprodukt
DE202020004269U1 (de) 2020-10-10 2022-01-26 Hermedia Verlag Gmbh Löschbares Grafikfeld als Schiefertafelersatzprodukt
US11513392B1 (en) 2021-09-23 2022-11-29 Apple Inc. Direct-lit backlight units with optical films
US11802682B1 (en) 2022-08-29 2023-10-31 Wangs Alliance Corporation Modular articulating lighting

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002341797A (ja) * 2001-05-11 2002-11-29 Victor Co Of Japan Ltd 表示装置
JP2003344662A (ja) * 2002-05-30 2003-12-03 Teikoku Printing Inks Mfg Co Ltd バックライトユニット用導光板の製造方法、及び紫外線硬化型インキ
JP2004022347A (ja) * 2002-06-17 2004-01-22 Casio Comput Co Ltd 面光源及びそれを用いた表示装置
JP2004079461A (ja) * 2002-08-22 2004-03-11 Sanyo Electric Co Ltd 面光源装置

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0730749B1 (de) * 1993-11-28 2000-09-20 Smartlight Limited Betrachter für transparente bilder mit passiven matrix lcd
JP3368110B2 (ja) * 1995-08-01 2003-01-20 キヤノン株式会社 光源装置及び光学機器
JPH09189908A (ja) 1996-01-10 1997-07-22 Casio Comput Co Ltd 液晶表示装置
US6134092A (en) * 1998-04-08 2000-10-17 Teledyne Lighting And Display Products, Inc. Illumination device for non-emissive displays
JPH11295714A (ja) * 1998-04-08 1999-10-29 Enplas Corp 液晶表示パネル、液晶表示装置及びシート部材
DE10065728B4 (de) * 2000-12-29 2009-04-23 Robert Bosch Gmbh Hinterleuchtungsvorrichtung und Flüssigkristallanzeige sowie deren Verwendung in einem Kraftfahrzeug
US6930737B2 (en) * 2001-01-16 2005-08-16 Visteon Global Technologies, Inc. LED backlighting system
US6697130B2 (en) * 2001-01-16 2004-02-24 Visteon Global Technologies, Inc. Flexible led backlighting circuit
US6717559B2 (en) * 2001-01-16 2004-04-06 Visteon Global Technologies, Inc. Temperature compensated parallel LED drive circuit
US7262752B2 (en) * 2001-01-16 2007-08-28 Visteon Global Technologies, Inc. Series led backlight control circuit
JP4815675B2 (ja) 2001-02-02 2011-11-16 ソニー株式会社 液晶表示装置及び液晶表示素子用のバックライト装置
CN1213335C (zh) * 2001-02-19 2005-08-03 皇家菲利浦电子有限公司 照明***和显示装置
CN1462354A (zh) * 2001-05-08 2003-12-17 荷兰鲁米勒德斯照明有限公司 照明***和显示装置
CN100342173C (zh) * 2001-08-27 2007-10-10 皇家飞利浦电子股份有限公司 具有扩大观察窗的光板
JP3980890B2 (ja) * 2002-01-23 2007-09-26 シャープ株式会社 導光板並びにそれを備えた光源装置及び表示装置
JP2003331628A (ja) * 2002-03-05 2003-11-21 Seiko Epson Corp 照明装置、液晶装置及び電子機器
US6753661B2 (en) * 2002-06-17 2004-06-22 Koninklijke Philips Electronics N.V. LED-based white-light backlighting for electronic displays
JP2004095390A (ja) 2002-08-30 2004-03-25 Fujitsu Display Technologies Corp 照明装置及び表示装置
AU2002330310A1 (en) * 2002-09-19 2004-04-08 Matsushita Electric Industrial Co., Ltd. Illumination unit and liquid crystal display comprising it
KR100852579B1 (ko) * 2003-03-31 2008-08-14 샤프 가부시키가이샤 면 조명 장치 및 그것을 이용한 액정 표시 장치
JP4489423B2 (ja) * 2003-12-26 2010-06-23 シャープ株式会社 バックライト及び液晶表示装置
US6966674B2 (en) * 2004-02-17 2005-11-22 Au Optronics Corp. Backlight module and heat dissipation structure thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002341797A (ja) * 2001-05-11 2002-11-29 Victor Co Of Japan Ltd 表示装置
JP2003344662A (ja) * 2002-05-30 2003-12-03 Teikoku Printing Inks Mfg Co Ltd バックライトユニット用導光板の製造方法、及び紫外線硬化型インキ
JP2004022347A (ja) * 2002-06-17 2004-01-22 Casio Comput Co Ltd 面光源及びそれを用いた表示装置
JP2004079461A (ja) * 2002-08-22 2004-03-11 Sanyo Electric Co Ltd 面光源装置

Also Published As

Publication number Publication date
US20080129927A1 (en) 2008-06-05
US20070153548A1 (en) 2007-07-05
TWI303739B (en) 2008-12-01
TW200600927A (en) 2006-01-01
DE112005003799B4 (de) 2012-07-12
US7488104B2 (en) 2009-02-10
DE112005001170T5 (de) 2007-04-12
US7513661B2 (en) 2009-04-07
GB0623872D0 (en) 2007-01-10
JP4590283B2 (ja) 2010-12-01
WO2005114045A1 (ja) 2005-12-01
GB2430071A (en) 2007-03-14
JP2006156324A (ja) 2006-06-15
DE112005001170B4 (de) 2012-07-12

Similar Documents

Publication Publication Date Title
GB2430071B (en) Backlight unit and liquid crystal display device having the same
GB2433823B (en) Backlight unit and liquid crystal display device having the same
TWI339760B (en) Backlight device and liquid crystal display device
TWI315418B (en) Backlight device and liquid crystal display device
GB2426857B (en) Backlight assembly for liquid crystal display device and liquid crystal display device using the same
EP1913435A4 (de) Rücklichteinheit und flüssigkristallanzeige damit
EP1956288A4 (de) Hinterleuchtungsvorrichtung und flüssigkristallanzeigevorrichtung
EP1817617A4 (de) Polarisationsplatte und flüssigkristallanzeige-einrichtung damit
EP1815292A4 (de) Rücklichteinheit und lcd-displayvorrichtung damit
EP1816509A4 (de) Flüssigkristallanzeigeeinrichtung und elektronische einrichtung damit
TWI366045B (en) Backlight unit and liquid crystal display device having the same
TWI317919B (en) Liquid crystal driving circuit and liquid crystal display device
EP1743931A4 (de) Flüssigkristallanzeigeeinrichtung
GB0428539D0 (en) Liquid crystal display device
PL1933194T3 (pl) Jednostka podświetleniowa i zawierający ją moduł wyświetlacza ciekłokrystalicznego
EP1845406A4 (de) Flüssigkristallanzeigeeinrichtung
EP1715372A4 (de) Flüssigkristallanzeigeeinrichtung
GB2444795B (en) Backlight unit and liquid crystal display module including the same
TWI372289B (en) Backlight unit and liquid crystal display device including the same
EP1710617A4 (de) Flüssigkristall wiedergabeanordnung
EP1717512A4 (de) Rückbeleuchtungsvorrichtung und flüssigkristallanzeige
EP1745328A4 (de) Flüssigkristallanzeigeeinrichtung
EP1743214A4 (de) Flüssigkristallanzeigevorrichtung
EP1715371A4 (de) Flüssigkristallanzeigeeinrichtung
GB0513971D0 (en) Display device and liquid crystal display panel

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20130329